Ventilated sterile mask
By introducing air intake and exhaust devices into the sterile mask, the problems of fogging and stuffiness of the sterile mask have been solved, achieving clear vision and comfortable wearing effect, and improving work safety and efficiency.
Patent Information
- Application Number
- CN202520297265.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-24
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-02-24
AI Technical Summary
Existing sterile masks are prone to fogging after being worn, which affects vision and can cause stuffiness and discomfort, affecting work efficiency and safety.
A breathable sterile face mask was designed. An air intake device blows air towards the eyepiece and creates airflow circulation inside the mask to prevent fogging. At the same time, an air outlet device removes stale air to maintain the freshness and comfort of the wearing space.
It effectively avoids the problem of fogging affecting vision, and by continuously introducing fresh air and expelling old air, it improves the safety and comfort of wearing it, ensuring that the operator has clear vision and physical comfort.
Smart Images
Figure CN223874271U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to clean protective equipment technical field, concretely relates to a sterile face guard of ventilation. BACKGROUND
[0002] The sterile face guard is the protective equipment that is indispensable in the super clean workshop, and it shields the head and face of the operating personnel, and isolates and protects between the space and the personnel in the workshop. The existing sterile face guard is easy to fog after wearing, affects the operating personnel's vision, and is also easy to appear the situation of suffocating and uncomfortable after wearing, and affects the operating efficiency and the safety of operation. SUMMARY
[0003] The utility model embodiment provides a sterile face guard of ventilation, aims at solving the problems of the existing sterile face guard easy to fog and affect vision, and easy to appear the situation of suffocating and uncomfortable.
[0004] To achieve the above object, the utility model adopts the technical scheme of:
[0005] Provide a sterile face guard of ventilation, comprising:
[0006] Face shield main part, with ocular lens for personnel vision, and headband for realizing head wearing function, the face shield main part and personnel face form wearing space between;
[0007] Air inlet device, set up in the lateral wall of the ocular lens, can blow air to the ocular lens;
[0008] Air outlet device, set up in the downside of the face shield main part, the air outlet device is equipped with air outlet filter, to filter the gas in the wearing space and discharge the face shield main part outside.
[0009] In a possible implementation mode, the air outlet device further includes air outlet shell and air outlet fan, the air outlet shell is connected to the face shield main part, the air outlet shell has air outlet air inlet and air outlet air outlet, the air outlet air inlet is communicated with the wearing space;The air outlet fan is arranged in the air outlet shell, to lead air out of the wearing space;The air outlet filter is arranged between the air outlet air inlet and the air outlet fan.
[0010] In some embodiments, the air outlet filter is connected with the air outlet air inlet air outlet end surface.
[0011] In a possible implementation mode, the air outlet device is provided with two groups, and two groups of air outlet devices are symmetrically arranged on opposite sides of the face shield main part.
[0012] In a possible implementation, the air inlet device comprises an air inlet shell, an air inlet fan and an air inlet filter, the air inlet shell is connected to the outer circumferential sidewall of the eyepiece, the air inlet shell has an air inlet air inlet and an air inlet air outlet, the air inlet air outlet communicates with the wearing space; the air inlet fan is arranged in the air inlet shell to introduce external air into the wearing space; the air inlet filter is arranged between the air inlet air inlet and the air inlet fan.
[0013] In some embodiments, the air inlet filter is connected to the air outlet end surface of the air inlet air inlet.
[0014] In some embodiments, the air inlet device is arranged at the top of the eyepiece.
[0015] In some embodiments, two eyepieces are arranged, and the two eyepieces are arranged corresponding to the two eyes of the person respectively, and the top of each eyepiece is respectively provided with the air inlet device.
[0016] In a possible implementation, the headband has two, and the two headbands are respectively connected to the opposite sides of the mask body, one of the headbands is provided with a first connecting head, and the other headband is provided with a second connecting head, and the first connecting head and the second connecting head are detachably connected.
[0017] In some embodiments, one of the headbands is provided with a main body electrical socket, and the main body electrical socket is electrically connected to the air inlet device and the air outlet device through input wires.
[0018] The breathable sterile mask further comprises a wearable charger, the charger has output wires, and the end of the output wires is provided with a charging plug, and the main body electrical socket and the charging plug are plug-in matched.
[0019] Compared with the prior art, the scheme shown in the embodiments of the application, the mask body covers the head and face of the person, is fixed to the head by the headband, and the person views objects through the eyepiece; after wearing, the air inlet device is started to introduce external air into the wearing space corresponding to the eyepiece, the air diffuses from the wearing space in this area to the wearing space in other areas, and the gas in the wearing space can also be introduced out through the air outlet device. The breathable sterile mask of the application avoids the fogging of the eyepiece by the air inlet device, thereby avoiding the problem of affecting the viewing due to the fogging, and ensuring the safety of the operation; at the same time, by cooperating the air inlet device and the air outlet device, while constantly introducing fresh air, the old air can also be introduced out of the wearing space at any time, realizing the ventilation function of the wearing space, keeping the air in the wearing space fresh, and improving the wearing comfort; in addition, by controlling the air inlet speed of the air inlet device and the air outlet speed of the air outlet device, keeping the pressure in the wearing space properly greater than the external pressure, the comfort of the person wearing can also be improved. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1 Structure diagram of the sterile mask with replaceable air provided by the first embodiment of the present application;
[0021] Figure 2 Structure diagram of the charger used by the second embodiment of the present application;
[0022] Figure 3 A-A sectional view of Figure 1
[0023] Figure 4 B-B sectional view of Figure 1
[0024] C-C sectional view of Figure 5 Figure 3 Side view structure sectional view of the air inlet device and the eyepiece in
[0025] BRIEF DESCRIPTION OF DRAWINGS
[0026] 1, mask main body; 110, head shielding part; 120, face shielding part; 2, air inlet device; 210, air inlet shell; 211, air inlet air inlet; 212, air inlet air outlet; 220, air inlet fan; 230, air inlet filter; 3, air outlet device; 310, air outlet filter; 320, air outlet shell; 321, air outlet air inlet; 322, air outlet air outlet; 330, air outlet fan; 4, eyepiece; 5, headband; 6, air inlet air deflector; 7, first connector; 8, second connector; 9, main body power socket; 10, input lead wire; 11, charger; 1110, charging socket; 12, output lead wire; 13, charging plug; 14, shoulder strap; 15, air outlet air deflector. DETAILED DESCRIPTION
[0027] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present application more clear and explicit, the present application will be further described in detail below in combination with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application, and are not used to limit the present application.
[0028] In the claims, specification and above drawings of the present application, unless otherwise explicitly defined, the terms such as "first", "second" or "third" are used only to distinguish different objects, and are not used to describe a specific order.
[0029] In the claims, the specification, and the drawings of the present application, the term "front" refers to the direction facing the wearer, and vice versa. Unless otherwise clearly indicated, the remaining directional terms, such as "center", "transverse", "longitudinal", "horizontal", "vertical", "top", "bottom", "inner", "outer", "upper", "lower", "left", "right", "clockwise", "counterclockwise", "high", "low", etc. indicate the orientation or positional relationship based on the orientation and position relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation or be constructed and operated in a particular orientation, so it cannot be understood as limiting the specific protection scope of the present application.
[0030] In the claims, the specification, and the above drawings of the present application, unless otherwise clearly defined, the term "fixedly connected" or "fixedly connected" should be understood broadly, that is, any connection mode without displacement relationship and relative rotation relationship between the two, that is, it includes non-detachable fixed connection, detachable fixed connection, integration and fixed connection through other devices or elements.
[0031] In the claims, the specification, and the above drawings of the present application, the term "including", "having" and their variants are intended to mean "including but not limited to".
[0032] Please refer to Figure 1 , now the breathable sterile mask provided by the present application will be described. The breathable sterile mask comprises a mask body 1, an air inlet device 2 and an air outlet device 3; the mask body 1 has an ocular lens 4 for the wearer to see and a headband 5 for realizing the head-wearing function, and a wearing space is formed between the mask body 1 and the face of the wearer; the air inlet device 2 is arranged on the side wall of the ocular lens 4 and can blow air to the ocular lens 4; the air outlet device 3 is arranged on the lower side of the mask body 1, and an air outlet filter 310 is arranged in the air outlet device 3 to filter the gas in the wearing space and discharge it out of the mask body 1.
[0033] In this embodiment, no sealing contact structure is arranged between the ocular lens 4 and the face of the wearer, so that the air entering the air inlet device 2 can be fully diffused into the wearing space, thereby adjusting the overall internal environment of the wearing space.
[0034] In this embodiment, the mask body 1 has a head shielding portion 110 for shielding the forehead and the top of the head, and also has a face shielding portion 120 for shielding the position below the forehead.
[0035] In this embodiment, the material of the mask body 1 can be the same as or different from the eyepiece 4, as long as the visual performance requirements of the eyepiece 4 and the shielding and sealing performance requirements of the mask body 1 can be met. If the materials of the two are different, the two can be integrally connected through a secondary injection molding process.
[0036] Compared with the prior art, the breathable sterile mask provided in this embodiment covers the head and face of a person, is fixed to the head by the headband 5, and the person views objects through the eyepiece 4. After wearing, the air inlet device 2 is turned on, which introduces external air into the wearing space corresponding to the eyepiece 4. The air diffuses from the wearing space in this area to the wearing space in other areas, and the gas in the wearing space can also be introduced out through the air outlet device 3. The breathable sterile mask of this embodiment avoids fogging of the eyepiece 4 by air inlet of the air inlet device 2, thereby avoiding the problem of affecting object viewing due to fogging, and ensuring the safety of operation. At the same time, by cooperation of the air inlet device 2 and the air outlet device 3, while continuously introducing fresh air, the old air can also be introduced out of the wearing space at any time, realizing the air exchange function of the wearing space, keeping the air in the wearing space fresh, and improving the wearing comfort. In addition, by controlling the air inlet speed of the air inlet device 2 and the air outlet speed of the air outlet device 3, the air inlet speed is slightly greater than the air outlet speed, the pressure in the wearing space is kept slightly greater than the external pressure, and the comfort of the person wearing is also improved.
[0037] In some embodiments, referring to Figure 1 and Figure 4 , the air outlet device 3 further includes an air outlet shell 320 and an air outlet fan 330. The air outlet shell 320 is connected to the mask body 1, and the air outlet shell 320 has an air outlet air inlet 321 and an air outlet air outlet 322. The air outlet air inlet 321 is in communication with the wearing space. The air outlet fan 330 is arranged in the air outlet shell 320 to introduce air out of the wearing space. The air outlet filter 310 is arranged between the air outlet air inlet 321 and the air outlet fan 330. The air outlet shell 320 integrally arranges the air outlet fan 330 and the air outlet filter 310 to form a whole module, which is convenient for assembly with the mask body 1. At the same time, the air outlet shell 320 also forms an air outlet channel inside, which is convenient for guiding the gas out of the air outlet device 3.
[0038] Optionally, a boss is arranged on the air inlet side of the air outlet shell 320, and the air outlet air inlet 321 is arranged on the boss. A corresponding air outlet mounting port is arranged on the side surface of the mask body 1, the boss is inserted into the air outlet mounting port, and the boss and the mask body 1 are connected by means of glue bonding, hot melt glue bonding, etc.
[0039] Optionally, in order to facilitate the maintenance of the air outlet device 3, the air outlet shell 320 comprises an air outlet main shell and an air outlet cover body, the air outlet gas outlet 322 is arranged on the air outlet cover body, and the air outlet cover body is detachably connected with the air outlet main shell in a mode of clamping, threaded fastener connection or the like. After the air outlet cover body is detached, the air outlet fan 330 inside can be maintained, or the air outlet filter 310 can be cleaned or replaced.
[0040] In some embodiments, referring to Figure 4 , the air outlet filter 310 is connected in close contact with the air outlet end face of the air inlet 321, so as to ensure that the periphery of the air inlet 321 can be effectively covered by the air outlet filter 310, and to avoid that the unfiltered gas is directly discharged to the external environment.
[0041] In some specific embodiments of the air outlet filter 310, the air outlet filter 310 comprises an air outlet filter layer and an air outlet frame, the air outlet filter layer is arranged in the air outlet frame, and the air outlet frame is fixedly connected on the air outlet end face of the air inlet 321 in a mode of adhesion, threaded fastener connection or the like, so that the air outlet frame is closely attached to the air outlet end face of the air inlet 321, and air leakage is avoided at the assembly gap between the two. Optionally, the implementation mode of the air outlet filter layer includes but is not limited to a filter cotton layer, a paper filter layer and the like, and the configuration of the air outlet filter layer can be a downwardly arched bowl shape, a flatly unfolded flat plate shape, a zigzag shape, a wave shape and the like, which are not limited herein.
[0042] In some embodiments, the air outlet device 3 is provided with two groups, and the two groups of air outlet devices 3 are symmetrically arranged on opposite sides of the mask main body 1, so as to effectively increase the air outlet position without affecting the wearing and use convenience, and to avoid that the pressure in the wearing space is too high.
[0043] In some specific embodiments, referring to Figure 1 , the air inlet 321 of the air outlet device 3 is arranged on the side surface of the mask main body 1, the air outlet gas outlet 322 is opened forward, the airflow led out from the air inlet 321 is turned by about 90° and then discharged from the air outlet gas outlet 322, so as to avoid that the discharged gas blows to the human body and causes uncomfortable feeling.
[0044] Optionally, in order to realize the turning of the airflow in the air outlet shell, the air outlet shell 320 further comprises an air outlet deflector 15. The air outlet deflector 15 is arc-shaped, and the turning can be realized more gently, as shown in Figure 4 ; or, the air outlet deflector 15 is an inclined flat plate.
[0045] Optionally, the air speed and air volume of the air outlet device 3 need to be accurately controlled. Too large air speed can cause the pressure in the wearing space to be too low, which is not comfortable, and too small air speed can cause the pressure in the wearing space to be too high, which also affects the comfort of the wearer. Therefore, an adjustable air speed control mechanism (for example, the air outlet fan 330 is provided with multiple air speed gears, and corresponding control modules such as buttons or knobs are arranged on the air outlet shell 320 for each gear) should be used in design, so that the user can make personalized adjustment according to his own comfort.
[0046] In some embodiments, the above-mentioned air inlet device 2 can adopt the structure as shown in Figure 1 、 Figure 3 and Figure 5 . Referring to Figure 3 , the air inlet device 2 includes an air inlet shell 210, an air inlet fan 220 and an air inlet filter 230, the air inlet shell 210 is connected to the outer peripheral side wall of the eyepiece 4, the air inlet shell 210 has an air inlet air inlet 211 and an air outlet 212, the air outlet 212 is communicated with the wearing space; the air inlet fan 220 is arranged in the air inlet shell 210 to introduce external air into the wearing space; the air inlet filter 230 is arranged between the air inlet air inlet 211 and the air inlet fan 220. The air inlet shell 210 integrally sets the air inlet fan 220 and the air inlet filter 230 to form a whole module, which is convenient for assembling with the eyepiece 4, and at the same time, the air inlet shell 210 also forms an air inlet channel inside, which is convenient for guiding gas into the wearing space.
[0047] Optionally, an air inlet mounting port corresponding to the air inlet shell 210 is arranged on the side wall of the eyepiece 4, the air inlet shell 210 is integrally inserted into the air inlet mounting port, and the air inlet shell 210 and the eyepiece 4 are connected by means of glue bonding, hot melt glue bonding, etc.
[0048] Optionally, in order to facilitate maintenance of the air inlet device 2, the air inlet shell 210 includes an air inlet main shell and an air inlet cover, the air inlet air inlet 211 is arranged on the air inlet cover, and the air inlet cover is detachably connected with the air inlet main shell by means of clamping, threaded fastener connection, etc. After the air inlet cover is disassembled, the air inlet fan 220 inside can be maintained, or the air inlet filter 230 can be cleaned or replaced.
[0049] In some embodiments, referring to Figure 5 , the air inlet filter 230 is connected with the air outlet end surface of the air inlet air inlet 211, which ensures that the periphery of the air inlet air inlet 211 can be effectively covered by the air inlet filter 230, so as to avoid that the unfiltered gas directly enters the wearing space.
[0050] In some embodiments, the air inlet filter 230 includes an air inlet filter layer and an air inlet frame. The air inlet filter layer is arranged in the air inlet frame, and the air inlet frame is fixedly connected to the air outlet end surface of the air inlet air inlet 211 by bonding, threaded fasteners, or the like, so that the air inlet frame is tightly attached to the air outlet end surface of the air inlet air inlet 211, avoiding air leakage at the assembly gap between the two. Optionally, the implementation of the air inlet filter layer includes but is not limited to a filter cotton layer, a paper filter layer, etc. The configuration of the air outlet filter layer can be a downwardly arched bowl shape, a flatly expanded flat plate shape, a sawtooth shape, a wave shape, etc., which is not limited herein.
[0051] In some embodiments, referring to Figure 1 , the air inlet device 2 is arranged at the top of the eyepiece 4, so that the air inlet device 2 has a downward air supply direction, facilitating the flow of fresh air to the area corresponding to the nose and mouth of the wearer at the lower part of the wearing space, while also avoiding blocking the user.
[0052] Optionally, referring to Figure 5 , in order to avoid the discomfort of directly blowing air to the eyes, the direction of air supply of the air inlet device 2 into the eyepiece 4 needs to be set at an angle to the front-rear direction. This design not only effectively alleviates the dryness and fatigue of the eyes during long-term use of the eyepiece 4, but also improves the user's comfort. Specifically, the adjustment of the air supply angle should take into account the natural position of the human eye and the structural characteristics of the eyepiece 4, to ensure that the airflow is evenly distributed around the eyes, rather than directly impacting the eyeball. Such a design can avoid the discomfort caused by the airflow directly blowing to the eyes, such as dry eyes, tearing or blurred vision, etc.
[0053] In addition, the air speed and volume of the air inlet device 2 also need to be accurately controlled. Excessive air speed can cause eye discomfort, while insufficient air speed may not achieve the desired defogging effect. Therefore, an adjustable air speed control mechanism (for example, the air inlet fan 220 is provided with multiple air speed gears, and corresponding control modules such as buttons or knobs are arranged on the air inlet housing 210 for each gear) should be adopted during design, so that users can make personalized adjustments according to their own comfort.
[0054] Specifically, referring to Figure 5 , an air inlet air deflector 6 is arranged at the air outlet side of the air inlet device 2 to guide the airflow discharged from the air inlet air outlet 212, thereby effectively controlling the air inlet direction. Specifically, in order to balance the needs of defogging and air blowing comfort, the airflow direction deflected by the air inlet air deflector 6 is inclined downward to blow towards the eyepiece 4.
[0055] Optionally, the air inlet guide plate 6 is provided with a plurality of air inlet guide plates 6 arranged in the front-rear direction, and the side of each air inlet guide plate 6 is inclined forward. More specifically, the plurality of air inlet guide plates 6 are arranged in the same outer frame, and the outer frame is connected with the air inlet shell 210, so that the outer frame and the plurality of air inlet guide plates 6 form an integral component, facilitating installation.
[0056] In some embodiments, referring to Figure 1 , the eyepiece 4 is provided with two eyepieces 4, which are respectively arranged corresponding to the two eyes of the person. Such a design aims to provide a stereoscopic visual experience, enhance the realism of observation, and avoid visual fatigue and discomfort. Based on this, the top of each eyepiece 4 is respectively provided with an air inlet device 2, thereby respectively de-fogging different eyepieces 4.
[0057] In some embodiments, referring to Figure 1 , in order to facilitate wearing, the headband 5 has two headbands 5 connected to opposite sides of the mask main body 1. One of the headbands 5 is provided with a first connecting head 7, and the other headband 5 is provided with a second connecting head 8. The first connecting head 7 and the second connecting head 8 are detachably connected.
[0058] Optionally, the first connecting head 7 and the second connecting head 8 form a plug-in type connection structure, the first connecting head 7 is a male plug, and the second connecting head 8 is a female plug. Alternatively, the first connecting head 7 and the second connecting head 8 form a magic tape type connection structure, the first connecting head 7 is a hook surface tape, and the second connecting head 8 is a hair surface tape.
[0059] In some embodiments, referring to Figure 1 and Figure 2 , one of the headbands 5 is provided with a main body electrical socket 9, and the main body electrical socket 9 is electrically connected to the air inlet device 2 and the air outlet device 3 through an input lead 10. The breathable sterile mask further includes a wearable charger 11, which has an output lead 12. The end of the output lead 12 is provided with a charging plug 13, and the main body electrical socket 9 and the charging plug 13 are plug-in adapted. When in use, the charger 11 is worn on the body of the person, and after the charging plug 13 is plugged into the main body electrical socket 9, the air inlet device 2 or the air outlet device 3 can be powered, making use more convenient.
[0060] Optionally, in order to achieve the wearing effect, the wearable charger 11 further has a shoulder strap 14, which can be a double-shoulder type shoulder strap 14 (as shown in Figure 2 ), or a single diagonal cross type shoulder strap 14, or a waist cross type shoulder strap 14, without being limited to only one.
[0061] In some embodiments, referring to Figure 2The charger 11 is provided with a charging socket 1110 for charging the internal battery.
[0062] The above merely describes preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement and improvement within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A breathable, sterile face mask, characterized in that, The utility model provides a face guard, which comprises: a face guard body (1) having an eyepiece (4) for a person to see and a headband (5) for realizing a head-mounted function, the face guard body (1) forming a wearing space with the face of the person; an air inlet device (2) arranged on the side wall of the eyepiece (4) and capable of blowing air to the eyepiece (4); an air outlet device (3) arranged on the lower side of the face guard body (1), the air outlet device (3) being provided with an air outlet filter (310) to filter the air in the wearing space and discharge the air out of the face guard body (1).
2. The ventilatable sterile drape of claim 1, wherein, The air outlet device (3) further comprises an air outlet shell (320) and an air outlet fan (330), the air outlet shell (320) being connected to the face guard body (1), the air outlet shell (320) having an air outlet air inlet (321) and an air outlet air outlet (322), the air outlet air inlet (321) being in communication with the wearing space, and the air outlet fan (330) being arranged in the air outlet shell (320) to guide air out of the wearing space. The air outlet filter (310) is arranged between the air outlet air inlet (321) and the air outlet fan (330).
3. The ventilatable sterile drape of claim 2, wherein, The air outlet filter (310) is connected to the air outlet air inlet (321) in a fit manner.
4. The ventilatable sterile drape of claim 1 or 2, wherein, The air outlet device (3) is provided with two groups, and the two groups of air outlet devices (3) are symmetrically arranged on opposite sides of the face guard body (1).
5. The ventilatable sterile drape of claim 1, wherein, The air inlet device (2) comprises an air inlet shell (210), an air inlet fan (220) and an air inlet filter (230), the air inlet shell (210) being connected to the peripheral side wall of the eyepiece (4), the air inlet shell (210) having an air inlet air inlet (211) and an air inlet air outlet (212), the air inlet air outlet (212) being in communication with the wearing space, the air inlet fan (220) being arranged in the air inlet shell (210) to guide external air into the wearing space, and the air inlet filter (230) being arranged between the air inlet air inlet (211) and the air inlet fan (220).
6. The ventilatable sterile drape of claim 5, wherein, The air inlet filter (230) is connected to the air inlet air inlet (211) in a fit manner.
7. The ventilatable sterile drape of claim 5, wherein, The air inlet device (2) is arranged on the top of the eyepiece (4).
8. The ventilatable sterile drape of claim 7, wherein, The eyepiece (4) is provided with two eyepieces (4), and the two eyepieces (4) are respectively arranged corresponding to the two eyes of the person, and the top of each eyepiece (4) is respectively provided with the air inlet device (2).
9. The ventilatable sterile drape of claim 1, wherein, The headband (5) is provided with two headbands (5), and the two headbands (5) are respectively connected to opposite sides of the face guard body (1), one of the headbands (5) is provided with a first connecting head (7), the other headband (5) is provided with a second connecting head (8), and the first connecting head (7) and the second connecting head (8) are detachably connected.
10. The ventilatable sterile drape of claim 9, wherein, One of the headbands (5) is provided with a main body electrical socket (9), and the main body electrical socket (9) is electrically connected to the air inlet device (2) and the air outlet device (3) through an input lead (10). The breathable sterile mask also comprises a wearable charger (11) having an output cord (12) provided at its end with a charging plug (13), the main body electrical outlet (9) and the charging plug (13) being plug-in adapted.